/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
Copyright 2011 Gephi Consortium. All rights reserved.
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General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License. When distributing the software, include this License Header
Notice in each file and include the License files at
/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
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"Portions Copyrighted [year] [name of copyright owner]"
If you wish your version of this file to be governed by only the CDDL
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"[Contributor] elects to include this software in this distribution
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Contributor(s):
Portions Copyrighted 2011 Gephi Consortium.
*/
package org.gephi.graph.api;
/**
* Get and set any object to this attributes class. See <b>AttributesAPI</b>
* module to look at columns definition. This interface is extended by
* <code>AttributeRow</code> that one can find in the AttributesAPI. Cast this
* class to <code>AttributeRow</code> to profit from all features.
* <p>
* In few words, attribute values can be get with the column index or id.
*
* @author Mathieu Bastian
*/
public interface Attributes {
/**
* Returns the number of values this row has.
* @return the number of values
*/
public int countValues();
/**
* Returns the value located at the specified column.
* @param column the column <b>id</b> or <b>title</b>
* @return the value for the specified column position, or
* <code>null</code> if not found
*/
public Object getValue(String column);
/**
* Returns the value located at the specified column position.
* @param index the column index
* @return the value for the specified column position, or
* <code>null</code> if index out of range
*/
public Object getValue(int index);
/**
* Sets the value for a specified column. Accepts <code>null</code> values.
* @param column the column <b>id</b> or <b>title</b>
* @param value the value that is to be set at the specified column position
*/
public void setValue(String column, Object value);
/**
* Sets the value for a specified column position. Accepts <code>null</code> values.
* @param index the column index
* @param value the value that is to be set at the specified column position
*/
public void setValue(int index, Object value);
/**
* Resets the content of the row.
*/
public void reset();
}